﻿using System;

namespace Qing.QAuthers
{
#if DEBUG
    static class TestProgram
    {
        static void Main(string[] args)
        {
            Console.WriteLine("\n\nEnd.");
        }
    }
#endif

    public class QAuther
    {
        private static object _lock = new object();
        private static QAuther self = null;
        public static QAuther Self
        {
            get
            {
                if (self == null)
                {
                    lock (_lock)
                    {
                        if (self == null)
                        {
                            self = new QAuther();
                        }
                    }
                }
                return self;
            }
        }

        public QAuther()
        {
        }
    }
}
